Null Point, Feed With Fitments; Null-Point Adjustment (Position Of Stitch-Length Regulator) - Duerkopp Adler 271 Service Manual

2. Null point, feed with fitments

2.1 Null-point adjustment (position of stitch-length regulator)

1
4
Regulation and inspection
With the stitch-length lever 4 or the adjusting wheels 5 in their null
positions the feed dog and needle must not move when the handwheel
is turned.
Caution: danger of injury
Turn off the main switch.
The feed null-position must only be adjusted with the machine
switched off.
Adjustment
–
Set the stitch-length lever 4 or adjusting wheels 5 to "0".
–
Undo screw 3.
–
Insert screwdriver into hole 1.
–
Rotate guide 2.
The feed must not operate when the handwheel is turned.
To increase the forward feed: turn in the + arrow direction
To decrease the forward feed: turn in the - arrow direction
–
Retighten screw 3.
2
3
5
7